Title :
Impulse sensitivity function-based linear time-varying analysis of noise in an active mixer
Author :
Li, Xiaolei ; Zhang, Xuliang
Author_Institution :
Sch. of EE, Univ. of Electron. Sci. & Technol. of China, Chengdu, China
Abstract :
Modeled as a linear time-varying (LTV) system, a single-balanced active mixer´s noise characteristics is analyzed systematically. Impulse sensitivity function (ISF) is introduced to indicate the linear time-varying nature and also elucidates the noise transformation mechanism of active mixers. Explicit expressions of ISF´s and noise figure are presented, which can be used to predict noise performance of active mixers and offer optimization suggestions for the circuit.
Keywords :
active networks; circuit noise; circuit optimisation; mixers (circuits); sensitivity analysis; time-varying networks; active mixer noise; circuit optimization; impulse sensitivity function; linear time varying analysis; noise transformation mechanism; single balanced active mixer; Optimization; Switches;
Conference_Titel :
Communications, Circuits and Systems (ICCCAS), 2010 International Conference on
Conference_Location :
Chengdu
Print_ISBN :
978-1-4244-8224-5
DOI :
10.1109/ICCCAS.2010.5581902
